Erbijsommen tot 20
Erbijsommen
|
1.
6 + 4 =
10
15
|
2.
5 + 12 =
17
4
|
3.
17 + 2 =
19
14
|
4.
19 + 0 =
11
19
|
|
5.
10 + 5 =
6
15
|
6.
3 + 11 =
14
16
|
7.
14 + 0 =
14
9
|
8.
14 + 5 =
19
9
|
|
9.
15 + 2 =
17
11
|
10.
7 + 10 =
17
7
|
11.
20 + 0 =
20
15
|
12.
17 + 3 =
12
20
|
|
13.
6 + 11 =
17
1
|
14.
11 + 5 =
16
5
|
15.
1 + 5 =
8
6
|
16.
11 + 6 =
17
12
|
|
17.
18 + 0 =
18
3
|
18.
3 + 6 =
4
9
|
19.
15 + 4 =
9
19
|
20.
4 + 15 =
5
19
|